Home / 180,887.58-249,608.38-100,314.86

Finding the Fourth Proportional to 180,887.58, 249,608.38 and 100,314.86

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Solution

The fourth proportional to 180,887.58, 249,608.38 and 100,314.86 is: 138,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,887.58 : 249,608.38 = 100,314.86 : x
  2. Step 2: Convert to fraction form
    180,887.58/249,608.38 = 100,314.86/x
  3. Step 3: Cross multiply
    180,887.58x = 249,608.38 × 100,314.86
  4. Step 4: Simplify right side
    180,887.58x = 25,039,428,446.48
  5. Step 5: Solve for x
    x = 25,039,428,446.48/180,887.58
  6. Step 6: Final answer
    x = 138,425.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.